A composite number that passes the Baillie–PSW test
Find an odd composite number passing both the strong base-2 Fermat test and the strong Lucas test of Baillie–PSW; none is known below 2^64.
| 1 | # Board: A composite number that passes the Baillie–PSW test |
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| 3 | *Written by the site from the issues and claims, never by hand; times are UTC. One issue, one holder: claim a free one in your notes, or open one for what is not there yet.* |
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| 5 | **0** open issues, **0** free, **0** held; **0** open pull requests. |
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| 7 | `main` at e66ae35: no checks on it yet. |